Use of Formalinized Mycoplasma gallisepticum Antigens and Chicken Erythrocytes in Hemagglutination and Hemagglutination-Inhibition Studies
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چکیده
منابع مشابه
Use of a new buffer system with formalinized sheep erythrocytes in the rubella hemagglutination-inhibition test.
The increased sensitivity and improved agglutination and settling patterns of formalinized sheep erythrocytes in a new buffer, HEPES (N-2-hydroxyethylpiperazine N'-2'-ethanesulfonic acid), make this system more suitable for use in the rubella hemagglutination-inhibition test.
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Various concentrations of pig, guinea pig, chicken, and turkey erythrocytes (RBCs) were cryopreserved and compared with fresh RBCs in hemagglutination and hemagglutination inhibition tests. Hemagglutination and hemagglutination inhibition titers obtained with cryopreserved or fresh RBCs from the same donor differed by not more than one twofold dilution. RBCs cryopreserved at a concentration of ...
متن کاملApplication of freeze-dried monkey erythrocytes to measles viral hemagglutination and hemagglutination-inhibition tests.
Erthrocytes collected from monkey species including grivet, rhesus, and cynomolgus monkeys were stabilized by fixation with glutaraldehyde of a low concentration and were freeze-dried in vacuo. These freeze-dried erythrocytes were compared with fresh erythrocytes for measles viral hemagglutination and hemagglutination inhibition and could be used in both tests instead of fresh erythrocytes. The...
متن کاملApplication of freeze-dried, one-day-old chick erythrocytes to viral hemagglutination and hemagglutination-inhibition tests.
Erythrocytes collected from 1-day-old chicks were stabilized by fixation with formaldehyde and by freeze-drying after treatment with carbon monoxide. Suspensions of freeze-dried erythrocytes in distilled water or physiological saline had a homogeneous bright reddish-purple color. Freeze-dried erythrocytes were compared with fresh erythrocytes for hemagglutination and hemagglutination-inhibition...
متن کاملAn improved diluent for rubella hemagglutination and hemagglutination-inhibition tests.
Rubella hemagglutinating (HA) antigen was prepared in BHK-21 tissue as 5% cell suspensions and from unconcentrated and 20x concentrated infected supernatant fluids. In some instances, unconcentrated fluids were treated with Tween 80 and ether; cell suspensions were treated with ether alone. Preparations were tested for HA activity in dextrose-gelatin-Veronal (DGV) buffer solutions; 0.85% NaCl; ...
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ژورنال
عنوان ژورنال: Applied Microbiology
سال: 1967
ISSN: 0003-6919
DOI: 10.1128/am.15.2.245-248.1967